Periodical Literature. 



595 



and the so-called squirrel cage types of motors for the difterent 

 machines. A table giving the power required, the kind of motor, 

 method of connection and speed in revolutions per minute, for 

 each machine in the sawmill, planing-mill, machine shop, etc., is 

 well worth repeating here. 



Machine 

 Bandsaws (3) 

 Edger (6 ft.) 

 Bdger (8 ft.) 

 Slasher 

 Trimmer 

 Hog 



Bull chain 

 Chainsaw 

 Slasher conveyor 

 Burner conveyor 

 Slab conveyor 

 Cross conveyor 

 Sawdust conveyor (4) 

 Boiler-room conveyor 

 Boiler-room conveyor 

 Slasher chains 

 Trimmer chains (2) 

 IvOg deck chains (3) 

 Bandmill rolls (3) 

 Timber chains and rolls 

 Incline chains 



Band resaw 

 Planers (10) 

 Inside molder 

 Outside molder 

 Ripsaws (2) 

 Cutoff -saw 

 Exhaust fans (2) 

 Charges 



Line shafts (3) 

 Blower 



Pump 

 I,ine shaft 



Line drums 

 Air compressor 



Method of Connection 

 Belted 

 Direct 

 Direct 

 Direct 

 Direct 

 Direct 

 Belted 

 Belted 

 Belte>d 

 Belted 

 Belted 

 Belted 



Back geared, chain drive 

 Belted 

 Belted 



Back geared, belted 

 Back geared, belted 

 Back geared, chain drive 

 Back geared, chain drive 

 Back geared, belted 

 Belted 



Direct 

 Belted 

 Belted 

 Belted 

 Belted 

 Belted 

 Direct 

 Belted 



Speed 



R.P.M. 



900 



1800 



1800 



600 



720 



720 



900 



120» 



tioo 



1200 

 600 

 600 

 600 

 60 O 

 600 

 600 

 600 

 900 

 900 

 1200 

 1200 



600 

 J20O 

 1200 

 1200 

 1200 

 1200 

 514 

 900 



MACHINE-SHOP 

 7.5 Squirrel-cage 



FORGE-ROOM 



3 Squirrel-cage 



DREDGE 



Squirrel-cage 

 Squirrel-cage 



ELECTRIC DONKEYS 

 150 Wound motor Geared 



7.5 Squirrel-cage Geared 



35 

 30 



Belted 



Belted 



Belted 

 Belted 



1200 

 1200 



The 3'ard locomotives each are equipped with two lo horse- 

 power motors run by new Edison type storage batteries. The 

 article is concluded with a discussion of the power factor. 



The vast forests of spruce and fir on the 



Prevention high plains of the United Province and the 



of Punjab of India, are very inaccessible on 



Water-logging. account of altitude. River driving is the 



only means of transportation, but since the 



soft wood soon becomes waterlogged, the forests are practically 



